We establish an improved GP iterative algorithm for the extrapolation of band-limited function to fully 3-dimensional image reconstruction by the convolution-backprojection algorithm. Numerical experiments demonstrate...We establish an improved GP iterative algorithm for the extrapolation of band-limited function to fully 3-dimensional image reconstruction by the convolution-backprojection algorithm. Numerical experiments demonstrate that the image resolving power of IGP algorithm is better than that of the original GP algorithm for noisy data.展开更多
基金G.R. Qu is partially supported by the National Natural Science Foundation of China (No. 60372015, 60772041) the Science Foundation of Beijing Jiaotong University (2002SM54)+2 种基金M. Jiang is partially supported by the National Key Basic Research Special Foundation of China (2003CB716101) National Science Foundation of China (60325101, 60272018, 60628102) Ministry of Education (306017), Engineering Research Institute of Peking University, and Microsoft Research Asia.
文摘We establish an improved GP iterative algorithm for the extrapolation of band-limited function to fully 3-dimensional image reconstruction by the convolution-backprojection algorithm. Numerical experiments demonstrate that the image resolving power of IGP algorithm is better than that of the original GP algorithm for noisy data.
